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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1948 2
1951 1
1952 1
1971 1
1973 1
1975 5
1977 5
1978 2
1979 3
1980 10
1981 6
1982 9
1983 7
1984 13
1985 5
1986 7
1987 16
1988 16
1989 16
1990 22
1991 28
1992 30
1993 29
1994 32
1995 17
1996 20
1997 23
1998 16
1999 25
2000 20
2001 20
2002 14
2003 13
2004 21
2005 17
2006 14
2007 24
2008 12
2009 15
2010 27
2011 19
2012 24
2013 20
2014 15
2015 17
2016 24
2017 14
2018 18
2019 13
2020 15
2021 14
Text availability
Article attribute
Article type
Publication date

Similar articles for PMID: 12668540

726 results
Results by year
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